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Alfa Aesar™ p-Toluenesulfonyl isocyanate, 95%

Chemical Identifiers

Chemical Name or Material p-Toluenesulfonyl isocyanate
CAS 4083-64-1
Molecular Formula C8H7NO3S
Formula Weight 197.21
MDL Number MFCD00002030
UN Number UN2206
Beilstein 391287
Synonym Tosyl isocyanate
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1749222

  SDS
alfa aesar™
A1749222
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1749236

  SDS
alfa aesar™
A1749236
500g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Formula Weight 197.21
Health Hazard 1 Danger
Synonym Tosyl isocyanate
Assay 95%
Quantity 100g
Molecular Formula C8H7NO3S
Boiling Point 144°C (10mmHg)
Beilstein 391287
RTECS Number DB9032000
Odor Irritating
TSCA TSCA
Health Hazard 3 GHS P Statement
P284a-P261-P280-P305+P351+P338-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: ISOCYANATES, TOXIC, N.O.S.
Melting Point 5°C
Health Hazard 2 GHS H Statement
H334-H335-H315-H319
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.
Flash Point 145°C (293°F)
CAS 4083-64-1
Chemical Name or Material p-Toluenesulfonyl isocyanate
UN Number UN2206
MDL Number MFCD00002030

Applications
It is a reagent used to prepare acetylated syn-1,2-diols,oxazolidin-2-ones, 2,3-diamino acids, and N-tosylcarbonamides. -Toluenesulfonyl isocyanate has been used as derivatization reagent in determination of 3-α-hydroxy tibolone in human plasma by LC-MS/MS. It is also employed in the derivatization reagent in simultaneous quantitative analysis of diethylene glycol and propylene glycol in pharmaceutical products by HPLC and as reagent in the preparation of acetylated syn-1,2-diols, oxazolidin-2-ones, 2,3-diamino acids and N-tosylcarbonamides.

Solubility
Reacts with water.

Notes
Keep away from alcohols, strong bases, amines, strong oxidizing agents.

Safety and Handling

Danger

GHS P Statement
P284a-P261-P280-P305+P351+P338-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H334-H335-H315-H319
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.